“…10 The absence of previous investigation results was noted in more than 50% of the referral letters in three separate studies, 3,22,24 patients' medical history was not routinely included in referral information, 13,16,25 and allergies 16,23 and clinical findings 5,17,18,22 were generally poorly recorded. These omissions may be due in part to the fact that there is no real consensus amongst different specialties on the ideal information to be included in a referral letter, beyond an agreement on broad information categories.…”